International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(9), С. 7839 - 7839
Опубликована: Апрель 25, 2023
Ovarian
cancer
is
one
of
the
most
dangerous
gynecologic
malignancies
showing
a
high
fatality
rate
because
late
diagnosis
and
relapse
occurrence
due
to
chemoresistance
onset.
Several
researchers
reported
that
oxidative
stress
plays
key
role
in
ovarian
occurrence,
growth
development.
The
NAD(P)H:quinone
oxidoreductase
1
(NQO1)
an
antioxidant
enzyme
that,
using
NADH
or
NADPH
as
substrates
reduce
quinones
hydroquinones,
avoids
formation
highly
reactive
semiquinones,
then
protecting
cells
against
stress.
In
this
review,
we
report
evidence
from
literature
describing
effect
NQO1
on
onset
progression.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(17)
Опубликована: Янв. 3, 2024
Abstract
Hypoxia,
as
a
distinctive
feature
of
tumors,
is
closely
related
to
tumor
recurrence,
metastasis,
and
treatment
resistance.
Metal–organic
framework
(MOF)
exhibits
an
increasing
number
advantages
in
cancer
therapy
owing
its
porous
structure,
large
specific
surface
area,
tunable
function.
The
MOF
nanocomposites
constructed
by
adjusting
components
can
effectively
overcome
hypoxia
significantly
enhance
the
anti‐tumor
effect.
In
this
review,
hypoxic
characteristics
tumors
current
strategies
for
constructing
that
are
summarized,
including
delivering
O
2
or
endogenously
generating
elevate
intra‐tumor
content;
inhibiting
HIF‐1
induced
products
alleviate
hypoxia;
reducing
cellular
aerobic
respiration
decrease
consumption,
exacerbating
improve
efficacy
hypoxia‐activated
pre‐drugs.
At
same
time,
applications
applied
different
therapeutic
methods
at
present
stage
described,
finally,
challenges
opportunities
further
development
discussed.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(8), С. 9626 - 9639
Опубликована: Фев. 19, 2024
The
hypoxic
microenvironment
in
osteosarcoma
inevitably
compromises
the
antitumor
effect
and
local
bone
defect
repair,
suggesting
an
urgent
need
for
sustained
oxygenation
tumor.
currently
reported
oxygen-releasing
materials
have
short
cycles,
harmful
products,
limited
effects
simply
by
improving
hypoxia.
Therefore,
PCL/nHA/MgO2/PDA-integrated
scaffold
with
a
good
photothermal
therapy
was
innovatively
constructed
this
work
to
achieve
tumor
cell
killing
regeneration
functions
simultaneously.
material
distributes
MgO2
powder
evenly
on
through
3D
printing
technology
achieves
of
continuous
oxygen
release
(more
than
3
weeks)
its
slow
reaction
water.
vitro
vivo
results
also
indicate
that
has
biocompatibility
sustained-release
properties,
which
can
effectively
induce
proliferation
osteogenic
differentiation
mesenchymal
stem
cells,
achieving
excellent
repair.
At
same
time,
experiments
subcutaneous
tumorigenesis
confirmed
supply
promote
apoptosis,
inhibit
proliferation,
reduce
expression
heat
shock
protein
60,
thereby
enhancing
polydopamine
efficiently
eliminating
osteosarcoma.
Taken
together,
integrated
functional
provides
unique
efficient
approach
tumor-based
repair
treatment.
Pharmaceutics,
Год журнала:
2024,
Номер
16(9), С. 1120 - 1120
Опубликована: Авг. 24, 2024
Natural
photosensitizers
(PS)
are
compounds
derived
from
nature,
with
photodynamic
properties.
PSs
have
a
similar
action
to
that
of
commercial
PSs,
where
cancer
cell
death
occurs
by
necrosis,
apoptosis,
and
autophagy
through
ROS
generation.
garnered
great
interest
over
the
last
few
decades
because
their
high
biocompatibility
good
photoactivity.
Specific
wavelengths
could
cause
phytochemicals
produce
harmful
for
therapy
(PDT).
However,
natural
some
shortcomings,
such
as
reduced
solubility
lower
uptake,
making
them
less
appropriate
PDT.
Nanotechnology
offers
an
opportunity
develop
suitable
carriers
various
PDT
applications.
Various
nanoparticles
been
developed
improve
outcome
enhanced
solubility,
optical
adsorption,
tumor
targeting.
Multidrug
resistance
(MDR)
is
phenomenon
in
which
cells
wide
range
structurally
functionally
unrelated
drugs.
Over
decade,
several
researchers
extensively
studied
effect
PS-based
treatment
(PDT)
on
MDR
cells.
Though
outcomes
clinical
trials
were
inconclusive,
significant
advancement
still
required
before
can
be
used
agent
treating
tumors.
This
review
addresses
increasing
literature
progression
efficacy
PDT,
emphasizing
importance
developing
new
nano-based
fight
against
features
photosensitizing
regimen.
Cell Biochemistry and Function,
Год журнала:
2024,
Номер
42(2)
Опубликована: Янв. 27, 2024
Abstract
Eukaryotic
cells
utilize
oxygen
for
different
functions
of
cell
organelles
owing
to
cellular
survival.
A
balanced
homeostasis
is
an
essential
requirement
maintain
the
regulation
normal
systems.
Any
changes
in
level
are
stressful
and
can
alter
expression
regulatory
genes
proteins.
Lack
or
hypoxia
results
oxidative
stress
formation
inducible
factors
(HIF)
reactive
species
(ROS).
Substantial
damages
due
have
been
reported
play
a
major
role
various
pathological
conditions.
There
studies
which
demonstrated
that
system
disrupted
by
hypoxia.
Currently,
study
on
effects
following
important
field
research
as
it
not
only
helps
decipher
signaling
pathway
modulation,
but
also
explore
novel
therapeutic
strategies.
On
basis
beneficial
effect
preconditioning
organelles,
many
investigations
ongoing
promising
disease
management
strategy
near
future.
Hence,
present
review
discusses
about
mechanisms
their
involvement
progression
diseases.
Heliyon,
Год журнала:
2024,
Номер
10(11), С. e31584 - e31584
Опубликована: Май 20, 2024
Highlights•This
study
introduces
a
signature
of
six
serum-derived
circRNAs
that
can
distinguish
between
CRC
and
healthy
individuals.•Transfer
CAF-derived
circ_0084043
triggers
endothelial
cell
angiogenesis
through
the
miR-140–3p/HIF-1α/VEGF
signaling
axis.•Th
candidate
serve
as
dual
biomarkers
therapeutic
targets,
advancing
understanding
pathogenesis.AbstractBackgroundCircular
RNAs
(circRNAs)
hold
potential
diagnostic
markers
for
colorectal
cancer
(CRC);
however,
their
functional
mechanisms
remain
incompletely
elucidated.
This
work
investigates
clinical
implications
unique
set
comprising
derived
from
serum
in
CRC.
Furthermore,
we
delve
into
role
exosomal
circ_0084043,
originating
cancer-associated
fibroblasts
(CAFs),
with
specific
focus
on
its
contribution
to
angiogenesis.MethodsThe
analyzed
circRNA
levels
samples
obtained
both
control
groups
using
qRT-PCR.
Additionally,
exosomes
CAFs
normal
(NFs)
were
purified
confirmed
by
electron
microscopy
Western
blotting
techniques.
The
proangiogenic
effects
assessed
cells
proliferation,
migration,
vitro
capillary
tube
formation
assays.
Gain-
loss-of-function
experiments
employed
clarify
circ_0084043/miR-140–3p/HIF-1α
axis
angiogenesis,
utilizing
luciferase
reporter
assay,
blotting,
ELISA
mechanism
elucidation.ResultsThe
(circ_0060745,
circ_001569,
circ_007142,
Circ_BANP,
CiRS-7)
exhibited
notably
elevated
expression
patient
sera
compared
observed
individuals.
Except
CiRS-7,
all
showed
patients
positive
lymph
node
metastasis
advanced
tumor
stages.
Exosomes
released
augmented
upregulating
VEGF
secretion.
Circ_0084043
was
highly
detected
treated
exosomes.
Silencing
reduced
VEGFA
diminished
CAF
exosome-induced
processes,
indicating
pivotal
angiogenesis.
sponges
miR-140–3p,
regulating
HIF-1α,
reverse
relationship
also
identified
miR-140–3p
cells.
Inhibiting
mitigated
knockdown
exosome-treated
Co-transfection
si-circ_0084043
inhibitor
reversed
inhibited
migration
caused
rescued
due
exposed
exosomes,
modulation
circ_0084043/miR-140–3p/VEGF
angiogenesis.ConclusionsThis
unveiled
distinctive
circular
RNAs,
promising
Importantly,
playing
crucial
exerting
influence
axis.
The
element
that
causes
hypoxia
when
the
von
Hippel-Lindau
(VHL)
protein
is
not
functioning
hypoxia-inducible
factor
1-alpha
(HIF-1α),
which
essential
linked
to
cell
control
under
hypoxia.
Consequently,
in
situations
where
cells
are
oxygen-deficient,
HIF-1α
carries
out
a
variety
of
functions.
Citations
relevant
literature
support
notion
regulates
mitochondrial
and
glycolytic
pathways,
as
well
transition
from
former
latter.
Cells
with
limited
oxygen
supply
benefit
this
change,
especially
beneficial
for
inhibition
electron
transport
chain
enhanced
uptake
glucose
lactate.
During
hypoxic
stress,
also
controls
proline
transporters
such
lactate
dehydrogenase
A
(LDHA)
transporter
1
(GLUT1).
These
mechanisms
help
return
homeostasis.
Therefore,
through
metabolic
change
promoting
adenosine
triphosphate
(ATP)
synthesis
reducing
reactive
species
(ROS)
creation,
may
have
role
oxidative
stress
cells.
This
evidence,
describes
function
many
molecular
further
supports
it
prognostic
contributes
adaption.
Understanding
more
about
disorders,
including
inflammation,
cancer,
ischemia,
possible
because
HIF-1α's
effect
on
changes.
Gaining
knowledge
battle
between
metabolism,
directed
by
HIF-1α,
would
advance
research
pathophysiological
involving
dysregulated
metabolism.